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   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21 #include "stdafx.h"
  22
  23 #include "server.h"
  24
  25 #include <accelerator/accelerator.h>
  26
  27 #include <common/env.h>
  28 #include <common/except.h>
  29 #include <common/utf.h>
  30 #include <common/memory.h>
  31 #include <common/polling_filesystem_monitor.h>
  32
  33 #include <core/video_channel.h>
  34 #include <core/video_format.h>
  35 #include <core/producer/stage.h>
  36 #include <core/producer/frame_producer.h>
  37 #include <core/producer/scene/scene_producer.h>
  38 #include <core/producer/scene/xml_scene_producer.h>
  39 #include <core/producer/text/text_producer.h>
  40 #include <core/consumer/output.h>
  41 #include <core/thumbnail_generator.h>
  42
  43 #include <modules/bluefish/bluefish.h>
  44 #include <modules/decklink/decklink.h>
  45 #include <modules/ffmpeg/ffmpeg.h>
  46 #include <modules/flash/flash.h>
  47 #include <modules/oal/oal.h>
  48 #include <modules/screen/screen.h>
  49 #include <modules/image/image.h>
  50 #include <modules/image/consumer/image_consumer.h>
  51 #include <modules/psd/psd_scene_producer.h>
  52
  53 #include <modules/oal/consumer/oal_consumer.h>
  54 #include <modules/bluefish/consumer/bluefish_consumer.h>
  55 #include <modules/decklink/consumer/decklink_consumer.h>
  56 #include <modules/screen/consumer/screen_consumer.h>
  57 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>
  58
  59 #include <protocol/amcp/AMCPProtocolStrategy.h>
  60 #include <protocol/cii/CIIProtocolStrategy.h>
  61 #include <protocol/CLK/CLKProtocolStrategy.h>
  62 #include <protocol/util/AsyncEventServer.h>
  63 #include <protocol/util/strategy_adapters.h>
  64
  65 #include <boost/algorithm/string.hpp>
  66 #include <boost/thread.hpp>
  67 #include <boost/lexical_cast.hpp>
  68 #include <boost/foreach.hpp>
  69 #include <boost/property_tree/ptree.hpp>
  70 #include <boost/property_tree/xml_parser.hpp>
  71
  72 namespace caspar {
  73
  74 using namespace core;
  75 using namespace protocol;
  76
  77 struct server::impl : boost::noncopyable
  78 {
  79         monitor::basic_subject                                                          event_subject_;
  80         accelerator::accelerator                                                        accelerator_;
  81         std::vector<spl::shared_ptr<IO::AsyncEventServer>>      async_servers_;
  82         std::vector<spl::shared_ptr<video_channel>>                     channels_;
  83         std::shared_ptr<thumbnail_generator>                            thumbnail_generator_;
  84         boost::promise<bool>&                                                           shutdown_server_now_;
  85
  86         explicit impl(boost::promise<bool>& shutdown_server_now)
  87                 : accelerator_(env::properties().get(L"configuration.accelerator", L"auto")), shutdown_server_now_(shutdown_server_now)
  88         {
  89
  90                 ffmpeg::init();
  91                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";
  92
  93                 bluefish::init();
  94                 CASPAR_LOG(info) << L"Initialized bluefish module.";
  95
  96                 decklink::init();
  97                 CASPAR_LOG(info) << L"Initialized decklink module.";
  98
  99                 oal::init();
 100                 CASPAR_LOG(info) << L"Initialized oal module.";
 101
 102                 screen::init();
 103                 CASPAR_LOG(info) << L"Initialized ogl module.";
 104
 105                 image::init();
 106                 CASPAR_LOG(info) << L"Initialized image module.";
 107
 108                 flash::init();
 109                 CASPAR_LOG(info) << L"Initialized flash module.";
 110
 111                 psd::init();
 112                 CASPAR_LOG(info) << L"Initialized psd module.";
 113
 114                 core::text::init();
 115
 116                 register_producer_factory(&core::scene::create_dummy_scene_producer);
 117                 register_producer_factory(&core::scene::create_xml_scene_producer);
 118
 119                 setup_channels(env::properties());
 120                 CASPAR_LOG(info) << L"Initialized channels.";
 121
 122                 setup_thumbnail_generation(env::properties());
 123                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
 124
 125                 setup_controllers(env::properties());
 126                 CASPAR_LOG(info) << L"Initialized controllers.";
 127         }
 128
 129         ~impl()
 130         {
 131                 async_servers_.clear();
 132                 channels_.clear();
 133
 134                 boost::this_thread::sleep(boost::posix_time::milliseconds(500));
 135                 //Sleep(500); // HACK: Wait for asynchronous destruction of producers and consumers.
 136
 137                 image::uninit();
 138                 ffmpeg::uninit();
 139         }
 140
 141         void setup_channels(const boost::property_tree::wptree& pt)
 142         {
 143                 using boost::property_tree::wptree;
 144                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))
 145                 {
 146                         auto format_desc = video_format_desc(xml_channel.second.get(L"video-mode", L"PAL"));
 147                         if(format_desc.format == video_format::invalid)
 148                                 CASPAR_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));
 149
 150                         auto channel = spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), format_desc, accelerator_.create_image_mixer());
 151
 152                         BOOST_FOREACH(auto& xml_consumer, xml_channel.second.get_child(L"consumers"))
 153                         {
 154                                 try
 155                                 {
 156                                         auto name = xml_consumer.first;
 157                                         if(name == L"screen")
 158                                                 channel->output().add(caspar::screen::create_consumer(xml_consumer.second, &channel->stage()));
 159                                         else if(name == L"bluefish")
 160                                                 channel->output().add(bluefish::create_consumer(xml_consumer.second));
 161                                         else if(name == L"decklink")
 162                                                 channel->output().add(decklink::create_consumer(xml_consumer.second));
 163                                         else if(name == L"file")
 164                                                 channel->output().add(ffmpeg::create_consumer(xml_consumer.second));
 165                                         else if(name == L"system-audio")
 166                                                 channel->output().add(oal::create_consumer());
 167                                         else if(name != L"<xmlcomment>")
 168                                                 CASPAR_LOG(warning) << "Invalid consumer: " << name;
 169                                 }
 170                                 catch(...)
 171                                 {
 172                                         CASPAR_LOG_CURRENT_EXCEPTION();
 173                                 }
 174                         }
 175
 176                     channel->subscribe(monitor::observable::observer_ptr(event_subject_));
 177                         channels_.push_back(channel);
 178                 }
 179
 180                 // Dummy diagnostics channel
 181                 if(env::properties().get(L"configuration.channel-grid", false))
 182                         channels_.push_back(spl::make_shared<video_channel>(static_cast<int>(channels_.size()+1), core::video_format_desc(core::video_format::x576p2500), accelerator_.create_image_mixer()));
 183         }
 184
 185         void setup_thumbnail_generation(const boost::property_tree::wptree& pt)
 186         {
 187                 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))
 188                         return;
 189
 190                 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);
 191
 192                 polling_filesystem_monitor_factory monitor_factory(scan_interval_millis);
 193                 thumbnail_generator_.reset(new thumbnail_generator(
 194                         monitor_factory,
 195                         env::media_folder(),
 196                         env::thumbnails_folder(),
 197                         pt.get(L"configuration.thumbnails.width", 256),
 198                         pt.get(L"configuration.thumbnails.height", 144),
 199                         core::video_format_desc(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),
 200                         accelerator_.create_image_mixer(),
 201                         pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),
 202                         &image::write_cropped_png));
 203
 204                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";
 205         }
 206
 207         void setup_controllers(const boost::property_tree::wptree& pt)
 208         {
 209                 using boost::property_tree::wptree;
 210                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))
 211                 {
 212                         try
 213                         {
 214                                 auto name = xml_controller.first;
 215                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");
 216
 217                                 if(name == L"tcp")
 218                                 {
 219                                         unsigned int port = xml_controller.second.get(L"port", 5250);
 220                                         auto asyncbootstrapper = spl::make_shared<IO::AsyncEventServer>(create_protocol(protocol), port);
 221                                         async_servers_.push_back(asyncbootstrapper);
 222
 223                                         //TODO: remove - test
 224                                         asyncbootstrapper->add_client_lifecycle_object_factory([=] (const std::string& ipv4_address) {
 225                                                                                                                                                                         return std::pair<std::wstring, std::shared_ptr<void>>(L"log", std::shared_ptr<void>(nullptr, [] (void*)
 226                                                                                                                                                                         { CASPAR_LOG(info) << "Client disconnect (lifecycle)"; }));
 227                                                                                                                                                                 });
 228                                 }
 229                                 else
 230                                         CASPAR_LOG(warning) << "Invalid controller: " << name;
 231                         }
 232                         catch(...)
 233                         {
 234                                 CASPAR_LOG_CURRENT_EXCEPTION();
 235                         }
 236                 }
 237         }
 238
 239         IO::protocol_strategy_factory<char>::ptr create_protocol(const std::wstring& name) const
 240         {
 241                 using namespace IO;
 242
 243                 if(boost::iequals(name, L"AMCP"))
 244                         return wrap_legacy_protocol("\r\n", spl::make_shared<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, shutdown_server_now_));
 245                 else if(boost::iequals(name, L"CII"))
 246                         return wrap_legacy_protocol("\r\n", spl::make_shared<cii::CIIProtocolStrategy>(channels_));
 247                 else if(boost::iequals(name, L"CLOCK"))
 248                         return spl::make_shared<to_unicode_adapter_factory>(
 249                                         "ISO-8859-1",
 250                                         spl::make_shared<CLK::clk_protocol_strategy_factory>(channels_));
 251
 252                 CASPAR_THROW_EXCEPTION(caspar_exception() << arg_name_info(L"name") << arg_value_info(name) << msg_info(L"Invalid protocol"));
 253         }
 254
 255 };
 256
 257 server::server(boost::promise<bool>& shutdown_server_now) : impl_(new impl(shutdown_server_now)){}
 258
 259 const std::vector<spl::shared_ptr<video_channel>> server::channels() const
 260 {
 261         return impl_->channels_;
 262 }
 263 std::shared_ptr<core::thumbnail_generator> server::get_thumbnail_generator() const {return impl_->thumbnail_generator_; }
 264 void server::subscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.subscribe(o);}
 265 void server::unsubscribe(const monitor::observable::observer_ptr& o){impl_->event_subject_.unsubscribe(o);}
 266
 267 }